Recruitment of age-matched healthy controls (HCs) was not feasible during the study period due to the risk of exposing healthy children to COVID-19 by coming to the hospital for a research blood draw. HCs for this study, therefore, consisted of healthy adults working on-site during the stud...
Recurrent stimulation influences the biological properties of ILC2s, as well as T cells. After the effector phase, T cells can become long-lived memory T cells in the tissues or lymph nodes, where they are reactivated by the same antigen. A similar recall response was also observed in ILC2s...